Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 106, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Aug 12, 2021, 3:53 PM CDT for Randolph County, Missouri. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 12, 2021, 3:53 PM CDT (20:53 UTC)
- Expired
- Aug 12, 2021, 4:30 PM CDT
- In force
- 37 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Randolph County, MO
The radar
The Pleasant Hill radar (KEAX), 169 km from the middle of the area, began a volume at 20:56 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 8.9 hours before the alert went out and 277 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 951 J/kg
- Mixed-layer CIN
- -437 J/kg
- Mixed-layer LCL
- 1729 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 228 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted.
673
WUUS53 KEAX 122053
SVREAX
MOC175-122130-
/O.NEW.KEAX.SV.W.0106.210812T2053Z-210812T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
353 PM CDT Thu Aug 12 2021
The National Weather Service in Pleasant Hill has issued a
* Severe Thunderstorm Warning for...
Central Randolph County in north central Missouri...
* Until 430 PM CDT.
* At 353 PM CDT, a severe thunderstorm was located over Cairo, or
near Moberly, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Moberly, Huntsville, Cairo and Jacksonville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3936 9259 3960 9261 3957 9230 3935 9231
TIME...MOT...LOC 2053Z 265DEG 40KT 3951 9239
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
HBThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 4:29 AM CDT | Special Weather Statement | EAX | Harrison | 31 min |
| Aug 12, 4:58 AM CDT | Special Weather Statement | EAX | Mercer | 47 min |
| Aug 12, 5:31 AM CDT | Severe Thunderstorm Warning | EAX | Harrison, Mercer | 29 min |
| Aug 12, 6:00 AM CDT | Special Weather Statement | EAX | Mercer | 30 min |
| Aug 12, 8:37 AM CDT | Special Weather Statement | EAX | Schuyler | 8 min |
| Aug 12, 8:38 AM CDT | Special Weather Statement | EAX | Schuyler | 37 min |
| Aug 12, 1:27 PM CDT | Flash Flood Watch | EAX | Putnam, Schuyler | 6 hr |
| Aug 12, 1:42 PM CDT | Special Weather Statement | EAX | Daviess, Grundy, Sullivan | 48 min |
| Aug 12, 1:45 PM CDT | Special Weather Statement | EAX | Schuyler | 30 min |
| Aug 12, 2:15 PM CDT | Flash Flood Warning | EAX | Putnam, Schuyler | 2 hr |
| Aug 12, 2:16 PM CDT | Special Weather Statement | EAX | Caldwell, Linn, Livingston | 29 min |
| Aug 12, 2:18 PM CDT | Severe Thunderstorm Warning | EAX | Grundy, Linn, Livingston | 27 min |
| Aug 12, 2:31 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Carroll, Daviess, Linn, Livingston | 29 min |
| Aug 12, 2:49 PM CDT | Severe Thunderstorm Warning | EAX | Carroll, Chariton, Livingston | 26 min |
| Aug 12, 3:13 PM CDT | Severe Thunderstorm Warning | EAX | Carroll, Chariton, Livingston, Saline | 32 min |
| Aug 12, 3:28 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Platte | 32 min |
| Aug 12, 3:44 PM CDT | Severe Thunderstorm Warning | EAX | Chariton, Macon, Randolph | 31 min |
| Aug 12, 3:56 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson, Platte | 34 min |
| Aug 12, 4:09 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson, Lafayette, Ray, Saline | 36 min |
| Aug 12, 4:42 PM CDT | Severe Thunderstorm Warning | EAX | Jackson, Johnson, Lafayette | 33 min |
| Aug 12, 5:11 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson, Johnson, Lafayette | 34 min |
| Aug 12, 5:18 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson | 27 min |
| Aug 12, 5:22 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 8 min |
| Aug 12, 5:37 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson, Johnson | 8 min |
| Aug 12, 5:43 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson, Johnson | 32 min |
| Aug 12, 6:15 PM CDT | Special Weather Statement | EAX | Cass | 45 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.